From: Christoph Hellwig <hch@lst.de>
To: Mark Lord <kernel@teksavvy.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
Greg Freemyer <greg.freemyer@gmail.com>,
linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org,
hch@lst.de
Subject: Re: [PATCH 2/6] libata: Report supported TRIM payload size
Date: Fri, 20 Aug 2010 10:58:01 +0200 [thread overview]
Message-ID: <20100820085801.GB27033@lst.de> (raw)
In-Reply-To: <4C6DA713.40601@teksavvy.com>
On Thu, Aug 19, 2010 at 05:50:11PM -0400, Mark Lord wrote:
> On 10-08-19 02:05 PM, Martin K. Petersen wrote:
> >I'm only aware of one drive that currently
> >supports more than 512 bytes of payload and it also caps at 4KB.
>
> SSDs based upon the Indilinx Barefoot controller support
> more or less "infinite" payload for TRIM, with no cap.
> But it predates idword[105], so just has a zero there.
Is there an easy way to identify them? If so we could add a quirk
for them if it provides enough benefit.
next prev parent reply other threads:[~2010-08-20 8:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-19 15:48 Discard/trim/thin provisioning update Martin K. Petersen
2010-08-19 15:48 ` [PATCH 1/6] libata: Signal that our SATL supports WRITE SAME(16) with UNMAP Martin K. Petersen
2010-08-19 16:15 ` James Bottomley
2010-08-19 16:20 ` Martin K. Petersen
2010-08-23 8:32 ` Tejun Heo
2010-08-23 18:22 ` Douglas Gilbert
2010-08-23 18:29 ` Douglas Gilbert
2010-08-23 19:11 ` Martin K. Petersen
2010-08-19 15:48 ` [PATCH 2/6] libata: Report supported TRIM payload size Martin K. Petersen
2010-08-19 17:27 ` Greg Freemyer
2010-08-19 18:05 ` Martin K. Petersen
2010-08-19 21:08 ` Greg Freemyer
2010-08-19 21:50 ` Mark Lord
2010-08-20 8:58 ` Christoph Hellwig [this message]
2010-08-20 13:53 ` Mark Lord
2010-08-20 17:13 ` Greg Freemyer
2010-08-20 18:28 ` Mark Lord
2010-08-23 13:50 ` Christoph Hellwig
2010-08-23 18:56 ` Martin K. Petersen
2010-08-19 15:48 ` [PATCH 3/6] block: Make max_discard_sectors sector_t Martin K. Petersen
2010-08-20 8:59 ` Christoph Hellwig
2010-08-19 15:48 ` [PATCH 4/6] scsi: Fix VPD page wrapper Martin K. Petersen
2010-08-19 15:49 ` [PATCH 5/6] scsi_debug: Update thin provisioning support Martin K. Petersen
2010-08-23 16:37 ` Douglas Gilbert
2010-08-19 15:49 ` [PATCH 6/6] sd: " Martin K. Petersen
2010-08-20 9:00 ` Christoph Hellwig
2010-08-23 19:06 ` Martin K. Petersen
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